MEASUREMENT OF PLANT BIO-DIVERSITY

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MEASUREMENT OF PLANT BIO-DIVERSITY
Marthie Kemp Centre for Environmenal
Management UFS
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BRAUN BLANQUET TECHNIQUE

• ANALYTIC PHASE

• SYNTHETIC PHASE

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BRAUN BLANQUET TECHNIQUE

• ANALYTIC PHASE
• Reconnaissance of study area
• Homogenous
• Characteristic
• Relevé size
• Environmental Factors

• SYNTHETIC PHASE

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BRAUN BLANQUET TECHNIQUE
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BRAUN BLANQUET TECHNIQUE
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BRAUN BLANQUET TECHNIQUE
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BRAUN BLANQUET TECHNIQUE
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BRAUN BLANQUET TECHNIQUE

• Braun Blanquet Cover-abundance scale

r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5
2a Cover between 5-12
2b Cover between 12-25
3 Cover between 25-50
4 Cover Between 50-75
5 Cover more than 75
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BRAUN BLANQUET TECHNIQUE

• Braun Blanquet Cover-abundance scale

r Very small cover, rare occurrence







r
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BRAUN BLANQUET TECHNIQUE

• Braun Blanquet Cover-abundance scale

r Very small cover, rare occurrence
Cover less than 1






r


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BRAUN BLANQUET TECHNIQUE

• Braun Blanquet Cover-abundance scale

r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5





r
1

1

12
BRAUN BLANQUET TECHNIQUE

• Braun Blanquet Cover-abundance scale

r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5
2a Cover between 5-12




r
1

1
2a

2a
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BRAUN BLANQUET TECHNIQUE
Braun Blanquet Cover-abundance scale
r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5
2a Cover between 5-12
2b Cover between 12-25



r
1

1
2a
2b
2b

2b
2b
2a
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BRAUN BLANQUET TECHNIQUE
Braun Blanquet Cover-abundance scale
r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5
2a Cover between 5-12
2b Cover between 12-25
3 Cover between 25-50


r
1

3
1
3
2a
2b
2b

3
2b
2b
2a
3
3
15
BRAUN BLANQUET TECHNIQUE
Braun Blanquet Cover-abundance scale
r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5
2a Cover between 5-12
2b Cover between 12-25
3 Cover between 25-50
4 Cover Between 50-75

r
1

3
1
4
3
2a
2b
2b

3
2b
4
2b
2a
3
3
4
4
4
4
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BRAUN BLANQUET TECHNIQUE
Braun Blanquet Cover-abundance scale
r Very small cover, rare occurrence
Cover less than 1
1 Cover between 1-5
2a Cover between 5-12
2b Cover between 12-25
3 Cover between 25-50
4 Cover Between 50-75
5 Cover more than 75
r
1

3
1
4
3
2a
5
2b
2b

3
5
2b
5
4
2b
2a
3
5
3
5
5
4
5
4
5
5
4
4
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BRAUN BLANQUET TECHNIQUE

• ANALYTIC PHASE
• Reconnaissance of study area
• Homogenous
• Characteristic
• Relevé size
• Environmental Factors

• SYNTHETIC PHASE
• TURBOVEG (Hennekens 1996)
• TWINSPAN (Hill 1979a) /
• JUICE (Trichy Holt 2006)
• Megatab
• Decorana

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BRAUN BLANQUET TECHNIQUE
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BRAUN BLANQUET TECHNIQUE

• The hierarchical classification of the 53
  relevés, 5 communities, 4 sub
• communities and 3 variants in which Acacia karroo
  is dominant, are
• 1. Cyperus rupestris Cynodon dactylon Community
• 1.1 Ledebouria luteola Digitaria eriantha
  Sub-community
• 1.2 Berkheya onopordifolia Cynodon dactylon
  Sub-community
• 2. Setaria sphacelata Acacia karroo Community
• 3. Diospyros lycioides Rhus pyroides Community
• 3.1 Salsola glabrescens Cynodon hirsutus
  Sub-community
• 3.2 Sphaeralcea bonariensis Eragrostis curvula
  Sub- community
• 3.2.1 Setaria verticillata Variant
• 3.2.2 Phyla nodiflora Variant
• 3.2.3 Asparagus laricinus Variant
• 4. Eragrostis lehmanniana Acacia karroo
  Community
• 5. Eragrostis trichophora Eragrostis curvula
  Community

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BRAUN BLANQUET TECHNIQUE

• DESCRIPTION OF COMMUNITIES
• Diagnostic species
• Dominant species
• Associated with environmental factors

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BRAUN BLANQUET TECHNIQUE
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BRAUN BLANQUET TECHNIQUE

• Hennekens SM (1996a) MEGATAB A visual editor
  for phytosociological tables. Giesen and Geurts
• Hennekens SM (1996b) TURBO(VEG) Software
  package for input, processing and presentation of
  phytosociological data. Users guide.
  University of Lancaster
• Hill MO (1979a) TWINSPAN A FORTRAN Program
  for arranging multivariate data in an ordered
  two-way table by classification of the
  individuals and attributes. Department of
  Ecology and Systematics, Cornell University,
  Ithaca, New York
• Hill MO (1979b) DECORANA A FORTRAN Program for
  detrended correspondence analysis and reciprocal
  averaging. Department of Ecology and
  Systematics, Cornell University, Ithaca, New York
• Kent M, Coker P (1992) Vegetation description
  and analysis A practical approach. John Wiley
  and Sons, New York, pp1 275. ISBN
  0-4719-4810-1
• Mueller-Dombois D, Ellenberg H (1974) Aims and
  methods of vegetation ecology. John Wiley Sons,
  New York, pp 10 66. ISBN 0-4716-2291-5
• Müller ME (2002) The phytosociology of the
  central Free State. M.Sc Dissertation. University
  of the Free State
• Tricky L, Holt J (2006) JUICE Program for
  management, analysis and classification of
  ecological data. Program Manual. Masaryk
  University Brno.